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Old 01-17-2018, 08:53 PM   #15421
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Originally Posted by boudin4evr View Post
who makes beefier steering ackerman plate? when I hit boards snap there goes the steering!
I have the Original carbon fiber FT TC4
thanks
the aluminum one on ebay I heard is sloppy?
Are you using a servo saver? If not, get one. It will help prevent breaking the steering rack.

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Old 01-17-2018, 09:00 PM   #15422
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Originally Posted by scirocco14 View Post
Are you using a servo saver? If not, get one. It will help prevent breaking the steering rack.

Mark
The steering rack is a servo saver.
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Old 01-18-2018, 12:59 AM   #15423
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Making progress. Not sure why they've changed the rear body post locations with this shock tower. Roughly half way between the original TC4 holes and TC5 holes which is too close to re-drill on my current body.
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Old 01-18-2018, 08:32 AM   #15424
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The steering rack is a servo saver.
True, but it's a very poorly designed one. It will crack right in the middle of the 'V' on impacts and break. Adding a servo saver to the server seems to eliminate the steering rack breakage almost completely. I broke a couple when I first started racing my TC4 in 2014, haven't broken one since. And now it's a loaner which is used frequently by beginners who beat the snot out of the car.

Just trying to help the guy out.

Mark
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Old 01-18-2018, 09:00 AM   #15425
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Quote:
Originally Posted by scirocco14 View Post
True, but it's a very poorly designed one. It will crack right in the middle of the 'V' on impacts and break. Adding a servo saver to the server seems to eliminate the steering rack breakage almost completely. I broke a couple when I first started racing my TC4 in 2014, haven't broken one since. And now it's a loaner which is used frequently by beginners who beat the snot out of the car.

Just trying to help the guy out.

Mark
what servo saver do you recommend? pics with it on?
thanks
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Old 01-18-2018, 09:07 AM   #15426
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Originally Posted by boudin4evr View Post
what servo saver do you recommend? pics with it on?
thanks
Regular size Kimbrough works fine.




Mark
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Old 01-18-2018, 09:59 AM   #15427
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The TC4 steering rack has it's own built-in servo saver and I have never felt the need to use a second one.
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Old 01-18-2018, 10:00 AM   #15428
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Originally Posted by scirocco14 View Post
Here's some answers from a TC4 USVTA racer.

1. Upgrade to some coil over shocks. The VCS2 or VCS3 are a good choice from Associated. This will make it easier on you to get the setup right.

Also, add a servo saver to the servo. Otherwise you'll break steering racks. Right, ITZNicholas72?

2. Your class rules will determine this. Some clubs run 25.5 motors, others run 21.5 motors in VTA. The USVTA rules are Novak 25.5 motors only. So check with your club/track before you buy a motor.

3. The usual list of suspects: C-hubs (caster blocks) are prone to breakage if you hit a lot of stuff.

If you use the stock front spool, you're likely to break the plastic outdrives in impacts (I think...I don't run a spool so I don't know if it's steel or composite).

I also recommend the steel TC3 axles for the front, or the TC4 Factory Team aluminum front axles. Much more durable than the stock composite axles.

4. The stock blue springs should get you close, find some Associated silvers for the rear. This is popular combo.

5. The VTA rules specify the wheels and tires to use.

U.S. Vintage Trans-Am R/C Racing Series

6. The kit shock weight is 40wt. That's a great starting point.

The TC4 is a good, solid starter car for USVTA. I loan mine out to beginners and people wanting to try out on-road. So far, the only thing they've managed to break is a bunch of bodies and a c-hub or two.

Good luck!
what servo saver do you recommend?
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Old 01-18-2018, 10:45 AM   #15429
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Originally Posted by boudin4evr View Post
what servo saver do you recommend?
I use this one:
https://www.amazon.com/Kimbrough-Ser.../dp/B0006O1R3E
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Old 01-18-2018, 11:23 AM   #15430
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thanks to you guys on servo saver info! The stock so called servo saver is a joke! I just ordered 2 for 2 cars!
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Old 01-18-2018, 11:51 AM   #15431
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Originally Posted by boudin4evr View Post
thanks to you guys on servo saver info! The stock so called servo saver is a joke! I just ordered 2 for 2 cars!
You're welcome. Good luck!

EDIT: you'll need to grind the chassis support webs away in front of the servo to make clearance for the servo saver. A couple of minutes with a dremel is all it takes.

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Last edited by scirocco14; 01-19-2018 at 08:17 AM.
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Old 01-20-2018, 04:43 PM   #15432
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I used the TC6 shocks on my Kaizen conversion and my rear arms sit level with the chassis.
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Old 01-21-2018, 07:44 PM   #15433
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I ran my TC4 today with the YR shocks in the VTA class for the first time. I built the shocks with 40wt oil and used the super soft springs in the rear and soft springs up front. The car's suspension felt really stiff but I decided to give it a try anyway.

This is my first experience with the Protoform VTA tires and they felt awful. Worse even that the old HPI stuff and I had no traction anywhere. I tried to get as many warm-up laps as I could before each qualifier in the hopes of scrubbing in the tires. Traction got a bit better as the day progressed and the tires improved with track time.

I ran a Hobbywing 25.5 motor and so did Guy. Everyone else ran 21.5 motors with the exception of Nick who ran a 27 turn brushed motor setup. I managed to take the TQ and won the A-main by two laps. Not too bad considering. My results are in the attached picture.
Race #2 today with the Yeah Racing shocks. I switched to the 3-hole pistons and went with 30wt oil / soft springs in front and 27.5 oil super-soft springs in the rear. The shocks still feel too stiff and I will have to delve deeper into the problem for next race.

I was TQ and won the A-main again today and my results are below. I am the only racer running a 25.5 in keeping with the new VTA rules. All others ran a 21.5 while my club transitions to the new rules.
Attached Thumbnails
Team Associated TC4-results-jan-21-2018.jpg  
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Last edited by SteveM; 01-22-2018 at 10:56 AM.
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Old 01-22-2018, 08:14 AM   #15434
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I used the TC6 shocks on my Kaizen conversion and my rear arms sit level with the chassis.
Like they won't sit down to where you want to set the droop? You might need to twist the lower ball cup down a few twists or use a longer ball cup/eyelet.
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Old 01-22-2018, 10:02 AM   #15435
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When I had my Tc4 i never broke a steering linkage but that was due to the Extra hard bumper , I think it was made by Parma . Im not sure if you can still get themu
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